Tecsis introduces new welding test set

19 March 2008

The new test set from Tecsis can be used to measure the electrode forces in spot-welding equipment. The new set is designed to be robust and consists of the force transducer and a display unit.

To check the forces acting between the electrodes, the force transducer is placed between the electrodes, where the concave force transfer surfaces center the force transducer. When the welding electrodes come together, the value of the applied force can be read off the display unit.

The force transducer has a shear force design and is insensitive to transverse forces and torques, according to the company. The output signal is connected to the handheld display unit via a cable, and this display unit carries the voltage supply for the transducer. Alternatively, the supply can be taken from a PLC.

The test set has a measuring range of 0 to 10 kN, and it uses the Tecsis thin-. lm sensor implanted in the force transducer. The 7 mm sensor, which has a temperature compensated Wheatstone bridge, is laser welded. The direct connection between steel and strain gauge the force transducer, has an excellent long term stability, and shows no creeping, the company claims.


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